Cheap flights from Phoenix Sky Harbor Intl Airport to Seattle from £76
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
PHX — SEA
15 Oct — 22 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Phoenix Sky Harbor Intl to Seattle/Tacoma Intl are usually found in January or February, booked 62 days in advance, depart on a Tuesday or Monday and return on a Monday
Cheap flight deals from Sky Harbor Intl to Seattle
Enter your travel dates to find the best prices.
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Cheapest flights from Sky Harbor Intl to Seattle
Explore the most affordable flight options available from Sky Harbor Intl to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2026.
Sat 24/1011:10 -
2 stops6h 30m
Tue 27/1005:50 -
2 stops7h 10m
Deal found 10/9£139
Thu 8/1022:30 -
Nonstop3h 10m
Tue 13/1005:35 -
Nonstop2h 45m
Deal found 10/9£150
Tue 13/1020:55 -
Nonstop3h 00m
Sat 17/1005:25 -
Nonstop2h 45m
Deal found 14/9£154
Tue 24/1122:55 -
Nonstop3h 15m
Tue 1/1216:40 -
1 stop5h 10m
Deal found 15/9£158
Tue 17/1109:45 -
Nonstop3h 25m
Tue 17/1116:40 -
1 stop4h 55m
Deal found 13/9£159
Sat 10/1015:42 -
1 stop5h 51m
Sun 18/1007:27 -
Nonstop3h 05m
Deal found 11/9£159
Wed 16/1211:22 -
1 stop5h 50m
Tue 5/105:07 -
1 stop7h 13m
Deal found 15/9£162
Sat 10/1007:10 -
1 stop5h 00m
Sat 17/1005:25 -
Nonstop2h 45m
Deal found 13/9£162
Tue 13/1015:59 -
Nonstop3h 11m
Thu 15/1020:15 -
Nonstop3h 03m
Deal found 14/9£165
Tue 13/1020:55 -
Nonstop3h 00m
Tue 20/1005:50 -
2 stops7h 10m
Deal found 15/9£165
Best flights from Sky Harbor Intl to Seattle
Discover carefully curated flight deals from Sky Harbor Intl to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2026.
Thu 29/1022:30 -
Nonstop3h 10m
Thu 5/1105:15 -
Nonstop2h 45m
Deal found 14/9£177
Tue 27/1012:00 -
1 stop5h 57m
Mon 2/1113:16 -
2 stops7h 09m
Deal found 15/9£183
Mon 12/1022:30 -
Nonstop3h 10m
Thu 15/1016:15 -
1 stop6h 45m
Deal found 15/9£183
Thu 22/1014:55 -
1 stop6h 10m
Wed 28/1005:50 -
2 stops7h 10m
Deal found 14/9£185
Thu 8/1007:00 -
1 stop5h 23m
Mon 12/1016:35 -
1 stop6h 10m
Deal found 15/9£216
Tue 17/1109:45 -
Nonstop3h 25m
Wed 2/1205:40 -
Nonstop2h 50m
Deal found 12/9£191
Wed 3/209:15 -
Nonstop3h 15m
Wed 10/205:40 -
2 stops7h 40m
Deal found 11/9£202
Fri 11/1219:40 -
2 stops6h 35m
Mon 14/1208:05 -
2 stops9h 50m
Deal found 15/9£214
Direct flights from Sky Harbor Intl to Seattle
Explore direct flight options from Sky Harbor Intl to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 15 September 2026.
Thu 8/1022:30 -
Nonstop3h 10m
Tue 13/1005:35 -
Nonstop2h 45m
Deal found 10/9£150
Tue 13/1020:55 -
Nonstop3h 00m
Sat 17/1005:25 -
Nonstop2h 45m
Deal found 14/9£154
Tue 6/1009:02 -
Nonstop3h 12m
Tue 13/1018:54 -
Nonstop2h 54m
Deal found 10/9£161
Tue 13/1015:59 -
Nonstop3h 11m
Thu 15/1020:15 -
Nonstop3h 03m
Deal found 14/9£165
Thu 29/1022:30 -
Nonstop3h 10m
Sat 31/1007:40 -
Nonstop3h 00m
Deal found 13/9£166
Fri 9/1019:03 -
Nonstop3h 10m
Mon 12/1020:58 -
Nonstop2h 54m
Deal found 11/9£172
Mon 12/1022:30 -
Nonstop3h 10m
Mon 19/1008:05 -
Nonstop2h 50m
Deal found 14/9£176
Tue 20/1020:55 -
Nonstop3h 00m
Fri 30/1011:10 -
Nonstop2h 50m
Deal found 13/9£177
Wed 14/1008:00 -
Nonstop3h 20m
Sun 18/1007:15 -
Nonstop3h 04m
Deal found 14/9£180
Wed 14/1015:40 -
Nonstop3h 05m
Sun 18/1005:15 -
Nonstop2h 45m
Deal found 14/9£180
Sat 21/1117:25 -
Nonstop3h 10m
Sun 22/1105:15 -
Nonstop2h 45m
Deal found 11/9£183
Last-minute flights from Sky Harbor Intl to Seattle
Discover last-minute flight deals from Sky Harbor Intl to Seattle. Data last updated 15 September 2026 and is based on user searches.
Wed 7/1013:45 -
1 stop5h 44m
Sat 10/1015:18 -
1 stop5h 57m
Deal found 14/9£168
Thu 8/1022:30 -
Nonstop3h 10m
Tue 13/1005:35 -
Nonstop2h 45m
Deal found 10/9£150
Sat 10/1015:42 -
1 stop5h 51m
Sun 18/1007:27 -
Nonstop3h 05m
Deal found 11/9£159
Sat 10/1007:10 -
1 stop5h 00m
Sat 17/1005:25 -
Nonstop2h 45m
Deal found 13/9£162
Tue 13/1020:55 -
Nonstop3h 00m
Sat 17/1005:25 -
Nonstop2h 45m
Deal found 14/9£154
Tue 13/1015:59 -
Nonstop3h 11m
Thu 15/1020:15 -
Nonstop3h 03m
Deal found 14/9£165
Tue 13/1020:55 -
Nonstop3h 00m
Tue 20/1005:50 -
2 stops7h 10m
Deal found 15/9£165
Sat 24/1011:10 -
2 stops6h 30m
Tue 27/1005:50 -
2 stops7h 10m
Deal found 10/9£139
Sat 31/1008:40 -
2 stops7h 10m
Tue 3/1116:40 -
1 stop4h 55m
Deal found 14/9£169
One-way flights from Sky Harbor Intl to Seattle
Search for one-way flight options from Sky Harbor Intl to Seattle. Find affordable one-way fares based on user searches. Data last updated 15 September 2026.
Tue 3/1117:50 -
Nonstop3h 19m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9£76
Sat 10/1018:35 -
Nonstop3h 16m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9£77
Tue 20/1008:15 -
Nonstop3h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/9£78
Wed 6/111:30 -
1 stop5h 18m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9£81
Sat 10/1007:10 -
1 stop5h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9£85
Mon 9/1118:45 -
Nonstop3h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/9£88
Mon 11/111:30 -
1 stop5h 18m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9£92
Wed 11/1116:50 -
Nonstop3h 15m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/9£96
Fri 9/1022:30 -
Nonstop3h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9£99
Mon 5/1014:40 -
2 stops8h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 14/9£100
Sun 15/1108:00 -
Nonstop3h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 11/9£103
Find flight deals from Sky Harbor Intl to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Sky Harbor Intl (PHX) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 September 2026.
Customise your flight search to find flights from Sky Harbor Intl to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated 15 September 2026.
Use the filters below to find and compare flights from Phoenix Sky Harbor Intl Airport to Seattle that are best for you.
Flights are sorted by cheapest return flights first.
Deals found on 15/9
Showing 1-10 of 20 resultsSorted by cheapest first
1
2
Best time to book a flight from Sky Harbor Intl to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Sky Harbor Intl with our price prediction graph.
PHX-SEA
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Phoenix Sky Harbor Intl Airport to Seattle
Prices
Airlines
Delays
How far ahead should I book a flight from Phoenix Sky Harbor Intl Airport to Seattle?
The price you pay for your flight from Phoenix Sky Harbor Intl Airport to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Seattle?
Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Seattle (average of £96). Flying from Phoenix Sky Harbor Intl Airport to Seattle in July is currently the most expensive (average of £223). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PHX to SEA?
Find hourly flight availability from Sky Harbor Intl to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 70% on flights from Phoenix Sky Harbor Intl Airport to Seattle by exploring options for tickets in the afternoon.
How much does it cost for a return flight from Phoenix Sky Harbor Intl Airport to Seattle?
Airfare is below average for this route at the moment.
Phoenix Sky Harbor Intl Airport to Seattle flights typically cost between £174 and £252 in October.The cheapest return price found within the last 5 days was £139 on Southwest (24 Oct–27 Oct).
Weekly flight availability from Phoenix Sky Harbor Intl Airport to Seattle
Explore weekly flight availability from Sky Harbor Intl to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 15 September 2026.
The most flights from PHX to SEA are scheduled on a Monday (48 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (14 on average).
How often are flights from Phoenix to Seattle delayed?
About 10% of weekly flights between Phoenix and Seattle have experienced delays in the past year, with the average delay time being 144 minutes.
What is the most punctual flight time for Phoenix to Seattle flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Phoenix to Seattle flights?
Over the past year, Delta have had the lowest number of delays on this route, with just 7% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Sky Harbor Intl to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Seattle from Phoenix Sky Harbor Intl?
For a flight from Phoenix Sky Harbor Intl to Seattle, you will be flying into Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 24 inbound flights from Phoenix Sky Harbor Intl per day. 0 airlines have flights to Seattle/Tacoma Intl from Phoenix Sky Harbor Intl on a regular basis.
How long is the flight from Phoenix Sky Harbor Intl Airport to Seattle?
Airlines like Southwest and United Airlines fly from Phoenix Sky Harbor Intl Airport to Seattle in about 3h 10m. The time it takes to get you to your destination can typically vary by up to 2h 47m. Phoenix Sky Harbor Intl Airport and Seattle are separated by a distance of 1107 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the most reliable airlines from Phoenix Sky Harbor Intl Airport to Seattle?
Consider Korean Air (95%), Envoy Air (91%) or American Airlines (91%) when booking your flight. These represent the most reliable airlines when flying from Phoenix Sky Harbor Intl Airport to Seattle.
What are the cheapest flights from Phoenix Sky Harbor Intl Airport to Seattle?
While on average a flight from Phoenix Sky Harbor Intl Airport to Seattle is generally £328, our data shows the cheapest flight currently is £238. When looking at the most popular route, (Phoenix Sky Harbor Intl - Seattle/Tacoma Intl), you can expect to pay £181 for that flight.
Can I find deals for flights from Sky Harbor Intl to Seattle that include hotel bookings?
Yes. In addition to deals on Sky Harbor Intl to Seattle flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Sky Harbor Intl to Seattle?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sky Harbor Intl to Seattle.
Can I find deals for business class flights from Sky Harbor Intl to Seattle?
Yes. Cheapflights offers flight deals from Sky Harbor Intl to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Phoenix Sky Harbor Intl Airport to Seattle?
Currently, January is the cheapest month in which you can book a flight from Phoenix Sky Harbor Intl Airport to Seattle (average of £96). Flying from Phoenix Sky Harbor Intl Airport to Seattle in July is currently the most expensive (average of £223). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Browse through other flights departing from Sky Harbor Intl. Flights are based on user searches made on Cheapflights and were last updated on 15 September 2026.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 15 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Sky Harbor Intl to Seattle?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from Sky Harbor Intl today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from Sky Harbor Intl to Seattle?
Millions of users choose and trust Cheapflights to book the best flight deals from Sky Harbor Intl to Seattle for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Sky Harbor Intl to Seattle with no change fees?
Yes, we can. To see specific flights from Sky Harbor Intl to Seattle with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Sky Harbor Intl to Seattle become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Seattle from Sky Harbor Intl today and book when prices fit your budget.
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